Improvement in harrows



f @eine gisten @anni @fficeV JOHN N. WALLIS AND THEODORE WALLIS, oF FLEMI'NG, NEW YORK.

Letters Pate/nt .Nm 73,061, dated January 7, 1868.

IMPROVEMENT AIN IIARRoWs.

dtiptlgehrle refmrh tu in tlirse tsttcrs ntcnt mit making giet nt tige snie.

TO WIIOM I'l MAY CONCERN:

Beit knownthatwe, JoIIN N. WALLIS and THEODORE WALLIS, ofthe town of Fleming, in Cayuga county, New York, have invented a new 'and improved Mode of Constructing Harrows or Drugs; and we do hereby declare the following to'be a full, clear, and exact description of the same, reference being vhad tothe accompanying drawings, making a part of this specification, and to the letters of reference marked thereon.

The object of this invention is to provide themeans, or arrange certain devices, whereby the teeth in harrows or drags may be allowed tohave o. rotating motion around the longitudinal axis, attire tinie, or while being in use ior seeding landyfor the purpose of clearing said teeth from-any grass `or weeds which may adhere thereto..

And in order that others may know how to make andA use our vinventiomwe will proceed to describe its c onstruction and modeof operation. f

Figure 1 is a. longitudinal section of a. portion of one of the sides of c drag, and

Figure 2 is a plan of 'the same. l A i I A shows a portion ofthe wood-.work or side piece; B is the tooth; C, the cylinder, through which the tooth v B is inserted. Said -eylinfler has two nnges, one at 'each end thereof. The Harige D is below the nut F. The Harige E is fitted into the nut F, as shown at E. :Flange F is in two parts, as shown by the lines at Gr Gr, and has a screw-thread, II H, around theextreine diameter, and when screwed into the frameworkjof the drag LA., said framework holds the two' portions ofthe nut together, as well as' all the parts rmly in their place, while the eylinderC is allowed to turn freely, carrying with it the tooth yB. 1

Having above described the construction and mede o f operating our invention, what'weelairn as new, and wish to secure by Letters Patent, is-A 1.' The flanged cylinder C, when used as and for the purpose specified.

2. The double nut or shell-piece F, when used in the manner and made to subserve the purpose abov set forth.

3. Supporting the teeth of drags or hal-rows by means of a cylinder, which shall allow the teeth to rotate as and for the purpose specified.

JOHN N. lWALLIS,

THEODORE WALLIS.

Witnesses:

A. BABBETT, -II. M. BABnE'r'r. 

